0024-asrc-prevent-ref-after-free

===================================================================

diff --git a/drivers/mxc/asrc/mxc_asrc.c b/drivers/mxc/asrc/mxc_asrc.c
index ea6573867a5cf6f062108658c10b025d5daaa3db..967a6665ec390832c394453f09374ce6ea6c15a4 100644 (file)
--- a/drivers/mxc/asrc/mxc_asrc.c
+++ b/drivers/mxc/asrc/mxc_asrc.c
@@ -1951,14 +1951,13 @@ static int mxc_asrc_remove(struct platform_device *pdev)
 {
        int irq = platform_get_irq(pdev, 0);
        free_irq(irq, NULL);
-       kfree(g_asrc);
-       g_asrc->mxc_asrc_data = NULL;
        iounmap((unsigned long __iomem *)g_asrc->vaddr);
        remove_proc_entry("ChSettings", g_asrc->proc_asrc);
        remove_proc_entry(ASRC_PROC_PATH, NULL);
        device_destroy(g_asrc->asrc_class, MKDEV(g_asrc->asrc_major, 0));
        class_destroy(g_asrc->asrc_class);
        unregister_chrdev(g_asrc->asrc_major, "mxc_asrc");
+       kfree(g_asrc);
        return 0;
 }